The blue around the baby’s eyes may be caused by thin subcutaneous tissue, lack of sleep, trauma and other reasons. 1. Thin subcutaneous tissue: If the subcutaneous tissue around the baby’s eyes is relatively thin, the local veins will be more obvious, at this time there will be a blue performance around the eyes. 2. Sleep deprivation: baby long time sleep deprivation may lead to continuous contraction of blood vessels around the eyes, the local blood flow stagnation time is too long, so that the subcutaneous tissue around the eyes bruises, will also appear around the eyes green performance. 3. Trauma: trauma around the baby’s eyes may make the local capillary rupture, this time there will be congestion around the eyes, thus manifesting itself as blue around the eyes. If the subcutaneous tissue is thin or sleep deprivation leads to the baby’s eyes around the blue, do not need treatment. If it is caused by sleep deprivation, the symptoms will usually improve after the baby gets enough sleep. If your baby’s eyes are bruised due to trauma, you need to consult a doctor and choose the appropriate treatment under their guidance.